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https://www.readbyqxmd.com/read/28625478/a-neonatal-mouse-model-of-coxsackievirus-a10-infection-for-anti-viral-evaluation
#1
Shuxuan Li, Huan Zhao, Lisheng Yang, Wangheng Hou, Longfa Xu, Yangtao Wu, Wei Wang, Chunye Chen, Junkai Wan, Xiangzhong Ye, Zhenglun Liang, Qunying Mao, Tong Cheng, Ningshao Xia
Epidemiological data indicate that coxsackievirus A10 (CVA10) has become one of the main causative agents of hand, foot and mouth disease (HFMD) and in recent years has often been found to co-circulate with other enteroviruses, which poses a challenge for the prevention and control of HFMD. Although most CVA10-associated HFMD cases present mild symptoms, severe manifestations and even death can also occur. However, the study of the pathogenesis and the development of drugs and vaccines for CVA10 infection is still far from complete...
June 15, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28621671/association-study-of-inflammatory-cytokine-and-chemokine-expression-in-hand-foot-and-mouth-disease
#2
Wenzhong Shang, Suying Qian, Lijuan Fang, Yong Han, Cuiping Zheng
OBJECTIVE: To determine the relationship of cytokine/chemokine expression with the clinical presentation of hand, foot and mouth disease (HFMD). RESULTS: All cytokine/chemokine levels were higher in severe HFMD patients than in mild HFMD patients or controls (P < 0.01). RANTES, MCP-1, IL-4, IL-12 and IL-18 levels were higher in mild HFMD patients than in the controls (P < 0.05). In severe HFMD, all levels (except IL-8 and IL-4) were higher in patients with encephalitis plus pulmonary edema than in those with encephalitis alone (P < 0...
June 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28611398/derivation-and-validation-of-a-mortality-risk-score-for-severe-hand-foot-and-mouth-disease-in-china
#3
Jun Qiu, Xiulan Lu, Xiao Liu, Ping Zang, Wenjiao Zhao, Pingping Liu, Zhenghui Xiao
Outbreaks of hand, foot and mouth disease (HFMD) have increased recently, as has the case fatality rate in severe cases. No scoring system currently exists to predict mortality risk for severe HFMD in previous study. We retrospectively collected laboratory parameters for 546 patients with severe HFMD (a derivation and a validation cohort) at Hunan Children's Hospitals between January 2012 and December 2014. We developed a mortality risk score comprising four laboratory parameters: blood glucose (GLU), white blood cells (WBC), lactate (LAC), and N-terminal-probrain natriuretic peptide (NT-proBNP)...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28606078/how-to-select-a-proper-early-warning-threshold-to-detect-infectious-disease-outbreaks-based-on-the-china-infectious-disease-automated-alert-and-response-system-cidars
#4
Ruiping Wang, Yonggen Jiang, Engelgau Michael, Genming Zhao
BACKGROUND: China Centre for Diseases Control and Prevention (CDC) developed the China Infectious Disease Automated Alert and Response System (CIDARS) in 2005. The CIDARS was used to strengthen infectious disease surveillance and aid in the early warning of outbreak. The CIDARS has been integrated into the routine outbreak monitoring efforts of the CDC at all levels in China. Early warning threshold is crucial for outbreak detection in the CIDARS, but CDCs at all level are currently using thresholds recommended by the China CDC, and these recommended thresholds have recognized limitations...
June 12, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28602802/synonymous-codon-usage-analysis-of-hand-foot-and-mouth-disease-viruses-a-comparative-study-on-coxsackievirus-a6-a10-a16-and-enterovirus-71-from-2008-to-2015
#5
Weiheng Su, Xue Li, Meili Chen, Wenwen Dai, Shiyang Sun, Shuai Wang, Xin Sheng, Shixiang Sun, Chen Gao, Ali Hou, Yan Zhou, Bo Sun, Feng Gao, Jingfa Xiao, Zhewen Zhang, Chunlai Jiang
Enterovirus 71 (EV71) and coxsackievirus A16 (CVA16) have been considered major pathogens of hand, foot and mouth disease (HFMD) throughout the world for decades. In recent years, coxsackievirus A6 (CVA6) and coxsackievirus A10 (CVA10) have raised attention as two other serious pathogens of HFMD. The present study focused on the synonymous codon usage of four viruses isolated from 2008 to 2015, with particular attention on P1 (encoding capsid proteins) and P2-P3 regions (both encoding non-structural proteins) in the genomic RNA...
June 14, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28596404/complete-genome-sequence-of-human-echovirus-20-strain-812-yn-chn-2010-associated-with-severe-hand-foot-and-mouth-disease
#6
Yilin Zhao, Haihao Zhang, Hongbo Liu, Hao Sun, Xiaoqin Huang, Zhaoqing Yang, Shaohui Ma
Human echovirus 20 (E-20) belongs to the Human enterovirus B (HEV-B) species and is often detected in nonpolio enterovirus cases of acute flaccid paralysis. We determined the complete genome of strain 812/YN/CHN/2010, isolated from a child with severe hand-foot-and-mouth disease in Yunnan, China, in 2010.
June 8, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28594402/arrdc4-regulates-enterovirus-71-induced-innate-immune-response-by-promoting-k63-polyubiquitination-of-mda5-through-trim65
#7
Jun Meng, Zhenyu Yao, Yaqing He, Renli Zhang, Yanwei Zhang, Xiangjie Yao, Hong Yang, Long Chen, Zhen Zhang, Hailong Zhang, Xueqin Bao, Gang Hu, Tangchun Wu, Jinquan Cheng
Enterovirus 71 (EV71) is the main causative agent of hand, foot and mouth disease (HFMD), which induces significantly elevated levels of cytokines and chemokines, leading to local or system inflammation and severe complications, whereas the underlying regulatory mechanisms and the inflammatory pathogenesis remain elusive. ARRDC4 is one member of arrestins family, having important roles in glucose metabolism and G-protein-coupled receptors (GPCRs) related physiological and pathological processes, however, the function of ARRDC4 in innate immune system is largely unknown...
June 8, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28593131/mir-127-5p-negatively-regulates-enterovirus-71-replication-by-directly-targeting-scarb2
#8
Chunhong Feng, Yuxuan Fu, Deyan Chen, Huanru Wang, Airong Su, Li Zhang, Liang Chang, Nan Zheng, Zhiwei Wu
Enterovirus 71 (EV71) is the major causative agent of hand-foot-and-mouth disease in young children and can cause severe cerebral and pulmonary complications and even fatality. This study aimed at elucidating whether and how EV71 infection is regulated by a cellular microRNA, miR-127-5p. We found that miR-127-5p can downregulate the expression of SCARB2, a main receptor of EV71, by targeting two potential sites in its 3' UTR region and inhibit EV71 infection. Meanwhile, miR-127-5p expression was upregulated during EV71 infection...
June 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28577914/genetic-characterization-of-enterovirus-strains-identified-in-hand-foot-and-mouth-disease-hfmd-emergence-of-b1c-a-c1-subgenotypes-of-cva16-cva6-and-ev71-strains-in-india
#9
Nital N Ganorkar, Pooja P Fulmali, Sanjay S Tikute, Varanasi Gopalkrishna
Hand, Foot and Mouth disease (HFMD) is a common childhood disease and caused due to Enterovirus-A (EV-A), EV-B and EV-C species worldwide. Cases of HFMD were reported from, Ahmadabad (Gujarat, 2012) and Pune (Maharashtra, 2013-2014) in India. The present study highlights the identification of EV strains (CVA16, CVA6, CVA4 and Echo12), characterization of subgenotypes of CVA16, CVA6 strains identified during 2012-14 and CVA16, CVA6, EV71 strains reported from earlier study (2009-10) in HFMD cases from India...
May 31, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28577423/severe-hand-foot-and-mouth-disease-associated-with-coxsackievirus-a10-infections-in-xiamen-china-in-2015
#10
Mengyuan Chen, Shuizhen He, Qiang Yan, Xuerong Xu, Wenhui Wu, Shengxiang Ge, Shiyin Zhang, Min Chen, Ningshao Xia
BACKGROUND: Coxsackievirus A10 (CV-A10) is one of the etiological agents associated with hand, foot and mouth disease (HFMD) and usually causes mild cases. During 2009-2014, no severe cases caused by CV-A10 was reported in Xiamen, China, however, an increase in cases was seen in 2015. OBJECTIVES: We aimed to perform a retrospective molecular epidemiological analysis of HFMD associated with CV-A10 infections in Xiamen. STUDY DESIGN: CV-A10 VP1 (n=41) capsid and full-length or near full-length genomes (n=14) were sequenced...
May 11, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28576572/intradermal-injection-of-a-fractional-dose-of-an-inactivated-hfmd-vaccine-elicits-similar-protective-immunity-to-intramuscular-inoculation-of-a-full-dose-of-an-al-oh-3-adjuvanted-vaccine
#11
Min Li, Yueqiang Duan, Xiaolan Yang, Qiaozhi Yang, Baodong Pang, Yugang Wang, Tianyu Ren, Xiliang Wang, Zhongpeng Zhao, Songcai Liu
Enterovirus 71 (EV71) and Coxsackievirus A16 (CVA16) are the two major causative agents of hand, foot and mouth disease (HFMD), which erupts in the Asia-Pacific regions. A bivalent vaccine against both EV71 and CVA16 is highly desirable. In the present study, on the bases that an experimental bivalent vaccine comprising of inactivated EV71 and CVA16 induces a balanced protective immunity against both EV71 and CVA16, we compare the immunogenicity and reactogenicity of one fourth of a full dose of an intradermal vaccine administered by needle-free liquid jet injector with a full dose of an intramuscular vaccine administered by needle-syringe in monkeys...
May 30, 2017: Vaccine
https://www.readbyqxmd.com/read/28565836/the-immune-mechanism-of-intestinal-tract-toll-like-receptor-in-mediating-ev71-virus-type-severe-hand-foot-and-mouth-disease-and-the-mapk-pathway
#12
Lei Zhu, Weihua Li, Gongjian Qi, Na Liu, Liping Sheng, Lei Shang, Boxiang Qi
Immunological response is thought to play a crucial role in the development of a severe hand-foot-and-mouth disease (HFMD) infection in children, but the mechanisms remain largely unknown. This study was designed to help in elucidating the immunopathological pathways involved in the disease by quantifying Toll-like receptor (TLR) mRNAs, MAPK factors and cytokine levels in children experiencing the disease. A total of 86 enterovirus 71 (EV71)-infected HFMD children (49 with mild and 27 with severe disease), along with 30 healthy children were involved in the study...
May 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28545002/pd169316-a-specific-p38-inhibitor-shows-antiviral-activity-against-enterovirus71
#13
Zhe Zhang, Busen Wang, Shipo Wu, Yanbo Wen, Xinyi Wang, Xiaohong Song, Jinlong Zhang, Lihua Hou, Wei Chen
Enterovirus71 (EV71) is the major causative agent of hand, foot and mouth disease, which threatens the health of infants and young children. The expression of inflammatory cytokines induced by this viral infection aggravate the illness. Here, we describe the anti-EV71 activity of a specific p38 inhibitor that regulates the p38-MAPK signaling pathway. PD169316 was specifically selected from a MAPK compound library due to its significant inhibitory effect on EV71 replication. PD169316 also reduced EV71-induced apoptosis...
May 22, 2017: Virology
https://www.readbyqxmd.com/read/28542556/an-inactivated-hand-foot-and-mouth-disease-vaccine-using-the-enterovirus-71-c4a-strain-isolated-from-a-korean-patient-induces-a-strong-immunogenic-response-in-mice
#14
Hyun Ju In, Heeji Lim, Jung-Ah Lee, Hye Jin Kim, Jin-Won Kim, Ji-Yeon Hyeon, Sang-Gu Yeo, June-Woo Lee, Jung Sik Yoo, Young Ki Choi, Sang-Won Lee
Enterovirus 71 (EV71) is a major causative agent of hand-foot-and-mouth disease (HFMD) frequently occurring in children. HFMD induced by EV71 can cause serious health problems and has been reported worldwide, particularly in the Asia-Pacific region. In this study, we assessed the immunogenicity of a formalin-inactivated HFMD vaccine using an EV71 strain (FI-EV71 C4a) isolated from a Korean patient. The vaccine candidate was evaluated in mice to determine the vaccination doses and vaccine schedules. BALB/c mice were intramuscularly administered 5, 10, or 20 μg FI-EV71 vaccine, followed by a booster 2 weeks later...
2017: PloS One
https://www.readbyqxmd.com/read/28540257/dynamic-interaction-of-enterovirus-71-and-dendritic-cells-in-infected-neonatal-rhesus-macaques
#15
Ting Zhao, Zhixiao Zhang, Ying Zhang, Min Feng, Shengtao Fan, Lichun Wang, Longding Liu, Xi Wang, Qinglin Wang, Xiaolong Zhang, Jingjing Wang, Yun Liao, Zhanlong He, Shuaiyao Lu, Huai Yang, Qihan Li
Enterovirus 71 (EV71) is one of the main pathogens responsible for hand, foot, and mouth disease (HFMD). Infection with EV71 can lead to severe clinical disease via extensive infections of either the respiratory or alimentary tracts in children. Based on the previous pathological study of EV71 infections in neonatal rhesus macaques, our work using this animal model and an EV71 chimera that expresses enhanced green fluorescent protein (EGFP-EV71) primarily explored where EV71 localizes and proliferates, and the subsequent initiation of the pathological process...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28539579/serotyping-and-genetic-characterization-of-hand-foot-and-mouth-disease-hfmd-associated-enteroviruses-of-no-ev71-and-non-cva16-circulating-in-fujian-china-2011-2015
#16
Yuwei Weng, Wei Chen, Wenxiang He, Meng Huang, Ying Zhu, Yansheng Yan
BACKGROUND Hand, foot, and mouth disease (HFMD) is a common contagious disease in infants; it is caused by multiple serotypes of human enterovirus (EV), which belongs to the enterovirus genus of the picornavirus family. According to sentinel surveillance, infection with EVs other than EV71 and CVA 16 have become increasingly common in recent years among HFMD patients, posing new challenges for HFMD control. This study aimed to explore the spectrum of serotypes in the other EVs (non-EV71 and non-CVA16) in Fujian province in southeastern China...
May 25, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28538857/-hand-foot-and-mouth-disease-in-a-hospital-in-callao-in-2016
#17
Milton José Max Rodríguez-Zúñiga, Katherine Vértiz-Gárate, Florencio Cortéz-Franco, Eberth Qujiano-Gomero
Hand, foot, and mouth disease (HFMD) is an exanthematous viral disease caused mainly by Coxsackie A16 with a typical symptomatology of fever, papulovesicular rash on the hands, feet, and genitals, and an ulcerous enanthem in the mouth. In the summer of 2016, a variety of cases presented at a hospital in Callao in children and adults with a symptomatology consistent with HFMD. A clinical diagnosis was made, and support therapy was applied, resulting in the resolution of symptoms. In the last decade, reports have emerged in some countries of an atypical involvement caused by Coxsackie A6, producing lesions that are more widely distributed in adults...
January 2017: Revista Peruana de Medicina Experimental y Salud Pública
https://www.readbyqxmd.com/read/28537484/epidemiological-characterizations-pathogen-spectrum-and-molecular-characteristics-of-coxsackievirus-a16-from-patients-with-hfmd-in-yantai-shandong-china-between-2011-and-2015
#18
Zhenlu Sun, Guifang Zhang, Peijun Guo, Juan Liu, Qiao Gao, Xiaowen Xu, Lianfeng Gong
This study aimed to investigate the epidemiological characterizations and pathogen spectrum of hand, foot, and mouth disease (HFMD) in Yantai City, Shandong Province, China, during 2011-2015, and to study the nucleotide evolution and amino acid variation of coxsackievirus A16 (CV-A16) epidemic strains that caused HFMD. The HFMD epidemic began to rise in March, and became prevalent from May to August, reached its peak in June, and then declined in September every year, children aged one to five years-old had the highest incidence rate whereas the incidence in children under 6 months was very low, and there were more males than females...
May 24, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28533530/the-impact-of-hand-foot-and-mouth-disease-control-policies-in-singapore-a-qualitative-analysis-of-public-perceptions
#19
Karen Siegel, Alex R Cook, Hanh La
Hand foot and mouth disease (HFMD) is a widespread pediatric disease in Asia. Most cases are relatively mild and caused by Coxsackie viruses, but in epidemics caused by Enterovirus 71, severe complications can occur. In response to the deaths of dozens of children in a 1997 outbreak (Podin in BMC Public Health 6:180,1 Abubakar in Virus Res 61(1):1-9,2 WHO in3), Singapore practices childcare centre surveillance, case-isolation, and short-term closure of centres. We conducted 44 in-depth interviews with teachers, principals, and parents at four childcare centres in Singapore to better understand experiences with current control policies...
May 2017: Journal of Public Health Policy
https://www.readbyqxmd.com/read/28531227/different-microrna-profiles-reveal-the-diverse-outcomes-induced-by-ev71-and-ca16-infection-in-human-umbilical-vein-endothelial-cells-using-high-throughput-sequencing
#20
Jie Song, Yajie Hu, Jiaqi Li, Huiwen Zheng, Jingjing Wang, Lei Guo, Ruotong Ning, Hongzhe Li, Zening Yang, Haitao Fan, Longding Liu
Enterovirus 71 (EV71) and Coxsackievirus A16 (CA16) remain the predominant pathogens in hand, foot, and mouth disease (HFMD), but the factors underlying the pathogenesis of EV71 and CA16 infections have not been elucidated. Recently, the functions of microRNAs (miRNAs) in pathogen-host interactions have been highlighted. In the present study, we performed comprehensive miRNA profiling in EV71- and CA16-infected human umbilical vein endothelial cells (HUVECs) at multiple time points using high-throughput sequencing...
2017: PloS One
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